Characters played by John Howard
Captain Hugh C. 'Bulldog' Drummond
Characters played by Heather Angel
Phyllis Clavering
Characters played by H.B. Warner
Colonel Nielson
Characters played by Reginald Denny
Algy Longworth
Characters played by E.E. Clive
Tenny
Characters played by Elizabeth Patterson
Aunt Blanche Clavering
Characters played by Eduardo Ciannelli
Henri Armides
Characters played by Gerald Hamer
Garvey
Characters played by John Sutton
Inspector Tredennis
Characters played by Neil Fitzgerald
Evan Barrows
Characters played by Louis Mercier
Mayor Dupres
Characters played by Adia Kuznetzoff
Gaston
Characters played by Adrienne D'Ambricourt
Therese
Characters played by Matthew Boulton
Blake--Fingerprint Expert
Characters played by Clyde Cook
Traffic Control Constable
Characters played by George Davis
Gaoler
Characters played by Jacques Lory
Clerk of the Court
Characters played by John Power
Omnibus Driver
Characters played by Wyndham Standing
Ambulance Doctor
Characters played by David Torrence
Bank Official